BMW DTC P274F – Transmission Fluid Temperature Sensor ‘C’ Over Temperature Condition
DTC P274F meaning on BMW
The Diagnostic Trouble Code (DTC) P274F on a BMW indicates an over-temperature condition detected by the Transmission Fluid Temperature Sensor ‘C’. This sensor is responsible for monitoring the temperature of the transmission fluid to ensure it stays within the optimal operating range.
BMW DTC P274F symptoms
Symptoms associated with DTC P274F on a BMW may include:
- Check Engine Light illuminated on the dashboard
- Transmission shifting issues
- Reduced fuel efficiency
- Transmission overheating warning message
BMW DTC P274F causes
Common causes of DTC P274F on a BMW include:
- Malfunctioning Transmission Fluid Temperature Sensor ‘C’
- Low transmission fluid level
- Transmission fluid contamination
- Wiring or connector issues related to the sensor
BMW DTC P274F seriousness
Ignoring DTC P274F on a BMW can lead to potential transmission damage due to operating at an elevated temperature. It is important to address this issue promptly to prevent further complications and ensure the longevity of the transmission system.
How to diagnose DTC P274F on BMW
To diagnose DTC P274F on a BMW, a mechanic would typically perform the following steps:
- Use a diagnostic scanner to retrieve the fault code
- Inspect the Transmission Fluid Temperature Sensor ‘C’ and its wiring for any visible damage
- Check the transmission fluid level and condition
- Perform a test drive to monitor transmission temperature readings
How to fix DTC P274F on BMW
To fix DTC P274F on a BMW, the following steps may be taken:
- Replace the faulty Transmission Fluid Temperature Sensor ‘C’
- Top up or replace the transmission fluid if necessary
- Repair any damaged wiring or connectors related to the sensor
- Clear the fault code and reset the Check Engine Light
How to erase DTC P274F on BMW
To erase DTC P274F on a BMW, the fault code can be cleared using a diagnostic scanner. Once the underlying issue has been addressed and fixed, the code can be reset, and the Check Engine Light should turn off. It is important to ensure that the repair has been successful before clearing the fault code.
Recommended tools & DTC Scanners for BMW
Best Diagnostic App for modern BMWs: BimmerLink
Recommended Bluetooth adapter for Bimmerlink: OBDLink CX
Cable adapter for Bimmerlink: Enet Cable USB Type C
For older BMWs we recommend: Autel AutoLink AL319 (2024 version)
Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter
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